| Elliott Hughes | ba267f4 | 2017-02-24 16:19:53 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <endian.h> |
| 18 | |
| 19 | #include <gtest/gtest.h> |
| 20 | |
| 21 | static constexpr uint16_t le16 = 0x1234; |
| 22 | static constexpr uint32_t le32 = 0x12345678; |
| 23 | static constexpr uint64_t le64 = 0x123456789abcdef0; |
| 24 | |
| 25 | static constexpr uint16_t be16 = 0x3412; |
| 26 | static constexpr uint32_t be32 = 0x78563412; |
| 27 | static constexpr uint64_t be64 = 0xf0debc9a78563412; |
| 28 | |
| 29 | TEST(endian, constants) { |
| 30 | ASSERT_TRUE(__LITTLE_ENDIAN == LITTLE_ENDIAN); |
| 31 | ASSERT_TRUE(__BIG_ENDIAN == BIG_ENDIAN); |
| 32 | ASSERT_TRUE(__BYTE_ORDER == BYTE_ORDER); |
| 33 | |
| 34 | #if defined(__BIONIC__) |
| 35 | ASSERT_TRUE(_LITTLE_ENDIAN == LITTLE_ENDIAN); |
| 36 | ASSERT_TRUE(_BIG_ENDIAN == BIG_ENDIAN); |
| 37 | ASSERT_TRUE(_BYTE_ORDER == BYTE_ORDER); |
| 38 | #endif |
| 39 | |
| 40 | ASSERT_EQ(__LITTLE_ENDIAN, __BYTE_ORDER); |
| 41 | } |
| 42 | |
| 43 | TEST(endian, htons_htonl_htonq_macros) { |
| 44 | #if defined(__BIONIC__) |
| 45 | ASSERT_EQ(be16, htons(le16)); |
| 46 | ASSERT_EQ(be32, htonl(le32)); |
| 47 | ASSERT_EQ(be64, htonq(le64)); |
| 48 | #else |
| 49 | GTEST_LOG_(INFO) << "glibc doesn't have these macros"; |
| 50 | #endif |
| 51 | } |
| 52 | |
| 53 | TEST(endian, ntohs_ntohl_ntohq_macros) { |
| 54 | #if defined(__BIONIC__) |
| 55 | ASSERT_EQ(le16, ntohs(be16)); |
| 56 | ASSERT_EQ(le32, ntohl(be32)); |
| 57 | ASSERT_EQ(le64, ntohq(be64)); |
| 58 | #else |
| 59 | GTEST_LOG_(INFO) << "glibc doesn't have these macros"; |
| 60 | #endif |
| 61 | } |
| 62 | |
| 63 | TEST(endian, htobe16_htobe32_htobe64) { |
| 64 | ASSERT_EQ(be16, htobe16(le16)); |
| 65 | ASSERT_EQ(be32, htobe32(le32)); |
| 66 | ASSERT_EQ(be64, htobe64(le64)); |
| 67 | } |
| 68 | |
| 69 | TEST(endian, htole16_htole32_htole64) { |
| 70 | ASSERT_EQ(le16, htole16(le16)); |
| 71 | ASSERT_EQ(le32, htole32(le32)); |
| 72 | ASSERT_EQ(le64, htole64(le64)); |
| 73 | } |
| 74 | |
| 75 | TEST(endian, be16toh_be32toh_be64toh) { |
| 76 | ASSERT_EQ(le16, be16toh(be16)); |
| 77 | ASSERT_EQ(le32, be32toh(be32)); |
| 78 | ASSERT_EQ(le64, be64toh(be64)); |
| 79 | } |
| 80 | |
| 81 | TEST(endian, le16toh_le32toh_le64toh) { |
| 82 | ASSERT_EQ(le16, le16toh(le16)); |
| 83 | ASSERT_EQ(le32, le32toh(le32)); |
| 84 | ASSERT_EQ(le64, le64toh(le64)); |
| 85 | } |
| 86 | |
| 87 | TEST(endian, betoh16_betoh32_betoh64) { |
| 88 | #if defined(__BIONIC__) |
| 89 | ASSERT_EQ(le16, betoh16(be16)); |
| 90 | ASSERT_EQ(le32, betoh32(be32)); |
| 91 | ASSERT_EQ(le64, betoh64(be64)); |
| 92 | #else |
| 93 | GTEST_LOG_(INFO) << "glibc doesn't have these macros"; |
| 94 | #endif |
| 95 | } |
| 96 | |
| 97 | TEST(endian, letoh16_letoh32_letoh64) { |
| 98 | #if defined(__BIONIC__) |
| 99 | ASSERT_EQ(le16, letoh16(le16)); |
| 100 | ASSERT_EQ(le32, letoh32(le32)); |
| 101 | ASSERT_EQ(le64, letoh64(le64)); |
| 102 | #else |
| 103 | GTEST_LOG_(INFO) << "glibc doesn't have these macros"; |
| 104 | #endif |
| 105 | } |